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Answer:
c.) plants that grow quickly and have many uses
Explanation:
Cash crops are usually fast-growing crops that have many uses, so that framers can sell them and earn much more profit, that's why it is called "cash crops". Examples of cash crops include coffee, cocoa, cotton etc.
Answer:
(A)Yes.
Explanation:
Homologous structures provide evidence for common ancestry.
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It makes them float in water
Answer:
The correct answer is D Sister Chromatids may not attach to each other.
Explanation:
Centromeres are the specific point to which the sister Chromatid binds.That means Centromere function to hold the sister Chromatids.
Now according to the question if mutation causes formation of defective centromere then the normal functioning of that centromere will be hampered.
As a result the sister chromatid may not attach to each other.
